Linked by Nicholas Blachford on Mon 15th Jul 2002 01:14 UTC
According to a brief paragraph on MacOS Rumours Apple may be switching to IBM POWER4 CPUs instead of the Motorola G5 for future Macs.
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The Pentium 4 contains a double-pumped ALU. That is one of the key reasons it does so well on SpecInt. Intel has shown prototype ALU's running as fast as 10Ghz.
Power4 was designed for high system throughput. That's why it has all the wide busses, the big caches, the multi-chip modules, etc.
Pentium 4 was designed for high speed execution of a single thread, a much different goal than Power4.
#m